* {
    margin: 0;
    padding: 0;
}

#header {
    margin: 0 auto;
    width: 1200px;
    height: 60px;
    display: flex;
    justify-content: space-between;


}

#header .bottom {
    border: 2px solid black;
    border-radius: 50px;
    height: 50px;
    width: 400px;
    margin-top: 20px;
    display: flex;
}

#header .bottom input {
    border: none;
}

#header .bottom button {
    background-color: yellow;
    width: 100px;
    height: 50px;
    border-radius: 50px;
    margin-left: 100px;
    border: none;

}

#header .bottom img {
    margin-top: 10px;
    margin-left: 10px;
    height: 30px;
}

#header .middle {
    margin-top: 20px;
}

#middle {
    height: 50px;
    background-color: sienna;
    margin-top: 70px;
}

#middle .middle {
    margin: 0 auto;
    width: 1200px;
    height: 50px;
}

#middle .middle ul li {
    float: left;
    list-style: none;
    width: 150px;
    height: 50px;
    text-align: center;
    line-height: 50px;
}

.selected {
    background-color: yellow;
}

#middle .middle ul li:hover {
    background-color: yellow;
}
#header .denglu a{
  text-decoration: none;
  color: black;
}
#header .denglu{
    width: 200px;
    height: 100px;
    display: flex;
    margin-top: 30px;
    font-size: 16px;
    text-align: center;
}
#header .denglu p{
    margin-right: 15px;
    width: 50px;
    height: 20px;
    background-color: salmon;
    margin: 0 auto;
    border-radius: 25px;
    display: none;
}
#foot{
    height: 460px;
    width: 1300px;
    margin: 0 auto;
}
#foot img{
    float: left;
}
.swiper {
    width: 1000px;
    height: 460px;
} 
#foot .swiper img{
    margin-top: 10px;
    width: 100%;
    height: 100%;
}

#commodity p {
    font-size: 12px;
    text-align: center;
}
#commodity .commodity-list{
         width: 1200px;
        margin: 0 auto;
        display: flex;
        flex-wrap: wrap;
}
.product{
    width: 290px;
    height: 300px;
    margin-top: 20px;
}
.product:hover{
    background-color: aliceblue;
}
#commodity img{
    width: 200px;
    height: 200px;
}
#commodity .moye{
    height: 50px;
    width: 200px;
}
#commodity .bottom p{
   width: 100px;
   font-size: 16px;
}
.loading{
    height: 80px;
    width: 200px;
    background-color: yellow;
    border-radius: 100px;
    margin-left: 600px;
    margin-top: 50px;
    margin-bottom: 50px;
    border: none;
    font-size: 20px;
    font-weight: 700;
}
.touxiang{
    width: 80px;
    height: 45px;
    border-radius: 25px;
    /* display: none; */
}
.header-touxiang{
    margin-top: 20px;
    width: 200px;
    height: 200px;
}
.touxiang img{
    width: 100%;
    height: 100%;
}
.tuichubutton{
    width: 100px;
    height: 20px;
    border: none;
    border-radius: 20px;
    background-color: yellowgreen;
}
